URLs

• https://twitter.com/hachi_wa
• https://twitter.com/intent/user?user_id=455758835
• https://anidb.net/creator/31905
• https://www.animenewsnetwork.com/encyclopedia/people.php?id=101808
• https://w.atwiki.jp/anime_wiki/pages/15879.html
• https://www.mobygames.com/person/811372
• http://www.animatorscorner.com/staff_profile/7942
• http://www.w-fox.co.jp/prof/watanabe_y.htm